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betrayal

noun [C or U]
 
 
/bɪˈtreɪ.əl/

Definition

an act of betraying someone or something, or the fact of someone or something being betrayed: This was the first in a series of betrayals. I felt a sense of betrayal when my friends refused to support me.Disloyalty, betrayal and treason
(Definition of betrayal noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

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